144 0001008413 XXXXXXXX LIVE 0001000228 Henry Schein, Inc. 000-27078 135 Duryea Road Melville NY 11747 631-843-5500 Stanley M. Bergman Director CEO Common Stock J.P. Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

56886 4280672 129938341 12/22/2023 NASDAQ Common Stock 03/03/2023 RSU Vesting Issuer N 40152 03/03/2023 Compensation Common Stock 12/30/2022 Transferred for estate planning purposes Stanley M. Bergman, who acquired the shares on 12/30/22 N 11734 12/30/2022 Transfer of Shares Common Stock 05/17/2023 Transferred for estate planning purposes Stanley M. Bergman, who acquired the shares on 03/03/23 N 5000 05/17/2023 Transfer of Shares Y Of the 56,886 shares being filed, 40,152 shares will be sold by Stanley M. Bergman and 16,734 shares will be sold by the Bergman Family 2010 Trust #2, Marion Bergman as Co-Trustee. 12/22/2023 09/08/2023 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Stanley M. Bergman